casino banking
noun[U]
ukusBANKINGinformal
activitiesbybanksthat arerelatedtoinvestment, in whichlargeamountsofmoneycan be made andlost, and not toretailbanking(=providingbankingservicesto thepublic):
Hearguedthatbanksshouldfocusonprovidinga goodservicetosmallbusinesses,resistingthe moreexcitingandlucrativeworldofcasinobanking.
Compare
retail banking